21250702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50839}}^1$

素因数の和:50871

約数の個数: 16

約数和(自身を含む): 36604800

約数和(自身を除く): 15354098

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50839, 101678, 559229, 965941, 1118458, 1931882, 10625351, 21250702]

約数ペア:

[(1, 21250702), (2, 10625351), (11, 1931882), (19, 1118458), (22, 965941), (38, 559229), (209, 101678), (418, 50839)]